“…10Given the rather shaky assumptions of the underlying data sets these percentages should be considered to be orders of magnitude estimates, rather than accurate projections. llwith lower world market prices for petroleum at present, these percentages have declined, but still are formidable, particularly for interior locations, where transport costs from ports of entry can more than double delivered costs [7,12]. 12To take Malawi as an example of the potential impact: Replacing the approximately one million cubic meters of solid wood equivalent consumed by urban households in 1983 would have required additional kerosene imports of some 55,000 tons, costing about US$14 million in border prices (in January 1986 prices).…”